30972675

素因数分解:

$3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{2971}}^1$

素因数の和:3123

約数の個数: 24

約数和(自身を含む): 51593920

約数和(自身を除く): 20621245

約数列:

[1, 3, 5, 15, 25, 75, 139, 417, 695, 2085, 2971, 3475, 8913, 10425, 14855, 44565, 74275, 222825, 412969, 1238907, 2064845, 6194535, 10324225, 30972675]

約数ペア:

[(1, 30972675), (3, 10324225), (5, 6194535), (15, 2064845), (25, 1238907), (75, 412969), (139, 222825), (417, 74275), (695, 44565), (2085, 14855), (2971, 10425), (3475, 8913)]